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/* $Id: file.h,v 1.25 2004-11-10 22:26:08 megastep Exp $ */
#ifndef __LOKI_FILE_H__
#define __LOKI_FILE_H__
/* Functions to handle logging and low level file functions */
#include <sys/types.h>
#include <stdio.h>
#include <stdarg.h>
#include <zlib.h>
#include "config.h"
#include "install.h"
#include "md5.h"
# include <bzlib.h>
typedef void *BZFILE;
typedef struct {
char *path;
char mode;
size_t size;
FILE *fp;
gzFile zfp;
BZFILE *bzfp;
struct file_elem *elem;
} stream;
extern void file_init(void);
/** wrapper for file_open to prompt user whether to overwrite. Also unlinks file first */
extern stream *file_open_install(install_info *info, const char *path, const char *mode);
extern stream *file_open(install_info *info,const char *path,const char *mode);
extern stream *file_fdopen(install_info *info, const char *path, FILE *fd, gzFile zfd, BZFILE *bzfd, const char *mode);
extern int file_read(install_info *info, void *buf, int len, stream *streamp);
extern void file_skip_zeroes(install_info *info, stream *streamp);
extern void file_skip(install_info *info, int len, stream *streamp);
extern int file_write(install_info *info, void *buf, int len, stream *streamp);
extern int file_eof(install_info *info, stream *streamp);
extern int file_close(install_info *info, stream *streamp);
extern int file_symlink(install_info *info, const char *oldpath, const char *newpath);
extern int file_issymlink(install_info *info, const char *path);
extern int file_mkdir(install_info *info, const char *path, int mode);
extern int file_mkfifo(install_info *info, const char *path, int mode);
extern int file_mknod(install_info *info, const char *path, int mode, dev_t dev);
extern int file_chmod(install_info *info, const char *path, int mode);
extern size_t file_size(install_info *info, const char *path);
extern int file_exists(const char *path);
extern int dir_exists(const char *path);
extern void file_create_hierarchy(install_info *info, const char *path);
extern void dir_create_hierarchy(install_info *info, const char *path, int mode);
extern int dir_is_accessible(const char *path);
/** Create a temporary directory and return it's name. Failure to create the
* directory will abort the program. It is only allowed to created inodes that
* can be removed with unlink() in that directory */
extern const char *dir_mktmp(void);
/** Clean all files in the temporary directory and remove it */
extern int dir_cleantmp(void);